Nguyễn H, Nguyên N. IMPROVING ALTERNATIVE THINKING IN DETERMINING THE INTERSECTION OF CURVED SURFACES BASED ON AUXILIARY SPHERE METHOD. SJ TTU [Internet]. 2023Dec.19 [cited 2024Nov.22];9(5). Available from: https://tckh.daihoctantrao.edu.vn/index.php/sjttu/article/view/992